Home / 1,522.91-2,278.70-1,336.94

Finding the Fourth Proportional to 1,522.91, 2,278.70 and 1,336.94

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Solution

The fourth proportional to 1,522.91, 2,278.70 and 1,336.94 is: 2,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.91 : 2,278.70 = 1,336.94 : x
  2. Step 2: Convert to fraction form
    1,522.91/2,278.70 = 1,336.94/x
  3. Step 3: Cross multiply
    1,522.91x = 2,278.70 × 1,336.94
  4. Step 4: Simplify right side
    1,522.91x = 3,046,485.67
  5. Step 5: Solve for x
    x = 3,046,485.67/1,522.91
  6. Step 6: Final answer
    x = 2,000.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.